Condition of California Perennial, Wadeable Streams Based on Algal Indicators

Southern California Coastal Water Research Project, San Diego Regional Water Quality Control Board | October 1st, 2013


Algae can serve as indicators of stream ecological condition in two ways. Information about algal community composition can be used for bioassessment analogous to the

Design and methods of the California stream quality assessment (CSQA), 2017

U.S. Geological Survey (USGS) | April 21st, 2020


During 2017, as part of the National Water-Quality Assessment Project, the U.S. Geological Survey conducted the California Stream Quality Assessment to investigate the qu

Effects of wildfire on benthic macroinvertebrate assemblages in Southern California streams and implications for bioassessment monitoring programs

California State Water Resources Control Board | June 13th, 2012


Wildfires are common in arid regions of southern California, sometimes burning as much as half a million acres in a season. These fires often cause dramatic impacts to th

Final Technical Report #1: Condition Assessment of Coastal Streams in Southern and Central California

California Department of Fish and Wildlife (CDFW) | July 1st, 2004


Historical assessments of stream condition have usually focused on describing the chemical quality of streams. As we have made progress in controlling chemical problems

Hydrodynamic Model Development Report: Sacramento-San Joaquin River Delta and Suisun Bay (Water Year 2016)

San Francisco Estuary Institute (SFEI) | December 13th, 2019


This report describes work related to hydrodynamic model development for the San Francisco Bay-Delta Estuary, undertaken as part of a broader eort to develop and apply co

Mercury on a landscape scale—Balancing regional export with wildlife health

U.S. Geological Survey (USGS), U.S. Environmental Protection Agency (EPA), U.S. Bureau of Land Management (BLM), California Department of Fish and Wildlife (CDWF), California Water Boards - Central Valley Regional Water Quality Control Board, Cosumnes River Preserve | June 26th, 2018


The Cosumnes River watershed requires a 57–64 percent reduction in loads to meet the new Delta methylmercury (MeHg) total maximum daily load allocation, established by

Near-Field Receiving-Water Monitoring of Trace Metals and a Benthic Community Near the Palo Alto Regional Water Quality Control Plant in South San Francisco Bay, California

U.S. Geological Survey (USGS) | November 6th, 2019


Trace-metal concentrations in sediment and in the clam Macoma petalum (formerly reported as Macoma balthica), clam reproductive activity, and benthic macroinvertebrate co

North Coast Regional Water Quality Control Board Fact Sheet

California State Water Resources Control Board | March 1st, 2010


The North Coast Region receives more precipitation than any other part of California. Abundant in surface water and groundwater resources, the North Coast Regio

Nutrient Fluxes from Sediments in the San Francisco Bay Delta

Estuaries and Coasts, Springer U.S. | January 1st, 2014


In September 2011 and March 2012, benthic nutrient fluxes were measured in the San Francisco Bay Delta, across a gradient from above the confluence of the Sacramento and

Probabilistic Assessment of the Biotic Condition of Perennial Streams and Rivers in California

Central Valley Regional Water Quality Control Board | August 22nd, 2006


States are required under the Clean Water Act §305(b) to report annually to Congress on the condition of their waterbodies, but satisfaction of this requirement has been

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